[PATCH, PR65126, testsuite] Add additional_sources_used

[Jeff Law]

On 02/23/15 00:23, Tom de Vries wrote:
> Hi,
>
> This patch fixes PR65126, which is about the fact that the cleanup procs
> are not cleaning up files generated from additional_sources. This
> happens because dg-additional-files-options empties additional_sources
> before the cleanup procs can use it.
>
> Examples of leftover files because of this PR are:
> - vect-simd-clone-10a.c.126t.vect
> - pr47218-1.o, pr47218-1.ii, pr47218-1.s
>
> The patch introduces a variable additional_sources_used, which is set by
> dg-additional-files-options before it empties additional_sources.  The
> cleanup procs are modified to use additional_sources_used.
>
> With this patch, after running test I no longer find the leftover files
> in the test directories.
>
> Build and reg-tested on x86_64. OK for stage4?
>
> Thanks,
> - Tom
>
> 0001-Add-additional_sources_used.patch
>
>
> 2015-02-22  Tom de Vries<tom@codesourcery.com>
>
> 	* lib/gcc-defs.exp (additional_sources_used): Add new var.
> 	(dg-additional-files-options): Copy additional_sources to
> 	additional_sources_used before emptying additional_sources.
> 	* lib/gcc-dg.exp (cleanup-coverage-files, cleanup-repo-files)
> 	(cleanup-stack-usage, cleanup-ada-spec, cleanup-dump)
> 	(cleanup-saved-temps): Use additional_sources_used instead of
> 	additional_sources.
> 	(dg-test): Reset additional_sources_used.
OK.

Jeff